I have said repeatedly that I intend to close Guantanamo, and I will follow through on that. I have said repeatedly that America doesn't torture. And I'm gonna make sure that we don't torture. Those are part and parcel of an effort to regain America's moral stature in the world.

The path towards sustainable energy sources will be long and sometimes difficult. But America cannot resist this transition, we must lead it.

On every continent, there are girls who will go on to change the world in ways we can only imagine, if only we allow them the freedom to dream.

No two countries are identical, and obviously, there's a difference between a referendum on a very complex relationship between Great Britain and the rest of Europe, and a presidential election in the United States.

I know that there are those who disagree with the overwhelming scientific evidence on climate change. But here's the thing -- even if you doubt the evidence, providing incentives for energy-efficien cy and clean energy are the right thing to do for our future -- because the nation that leads the clean energy economy will be the nation that leads the global economy. And America must be that nation.

I opposed the Defense of Marriage Act in 1996. It should be repealed and I will vote for its repeal on the Senate floor. I will also oppose any proposal to amend the U.S. Constitution to ban gays and lesbians from marrying.

If John McCain wants to have a debate about who has the temperament, and judgment, to serve as the next Commander-in-Chief, that's a debate I'm ready to have.